Home / 380,618.89-571,055.80-124,463.27

Finding the Fourth Proportional to 380,618.89, 571,055.80 and 124,463.27

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Solution

The fourth proportional to 380,618.89, 571,055.80 and 124,463.27 is: 186,736.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,618.89 : 571,055.80 = 124,463.27 : x
  2. Step 2: Convert to fraction form
    380,618.89/571,055.80 = 124,463.27/x
  3. Step 3: Cross multiply
    380,618.89x = 571,055.80 × 124,463.27
  4. Step 4: Simplify right side
    380,618.89x = 71,075,471,598.15
  5. Step 5: Solve for x
    x = 71,075,471,598.15/380,618.89
  6. Step 6: Final answer
    x = 186,736.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.